General Information

Serial #

N/A

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

CARDBOARD

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length

22.7 cm

Width

15.0 cm

Height

3.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Communications

Category

Service-test equipment

Sub-Category

N/A

Manufacturer

AKA

Bell

Country

Unknown

State/Province

Unknown

City

Unknown

Context

Country

North America

State/Province

Unknown

Period

THIS DEVICE PRESUMABLY USED C.1963+

Canada

Unknown

Function

USED TO DETERMINE RESONANT FREQUENCY

Technical

EXAMPLES OF SIMPLE & INEXPENSIVE CALCULATION DEVICE. THIS CARDBOARD SLIDE-RULE LIKE CALCULATOR PERFORMS A VARIETY OF MATHEMATICAL FUNCTIONS, AS WELL AS SERVING AS ADVERTISING FOR BELL.

Area Notes

Unknown

Details

Markings

FRONT OF SLIDE-RULE STYLE CALCULATOR INCLUDES FOLLOWING INFO.: 'RESONANCE COMPUTER... developed by Bell Telephone Laboratories for educational use' & '[COPYRIGHT SYMBOL] 1963 Bell Telephone Laboratories, Incorporated Designed by G.R. Frost'. INCLUDES SCALES 'INDUCTANCE IN HENRIES OR CAPACITANCE IN MICROFARADS X 10X' & 'FREQUENCY IN/ CYCLES/ SECOND'. BACK OF CASING INCLUDES LABELLED DIAGRAMS AND TEXT, ENTITLED 'RESISTOR COLOR CODE'. PLEASE SEE PHOTOCOPY OF CALCULATOR IN SUPP. INFO. FILE

Missing

NONE

Finish

OFF-WHITE CARDBOARD SHELL & SLIDING PANELS. ALL TEXT PRINTED IN BLACK

Decoration

N/A